1.What do you have to lose? 你能有什么損失呢?(為什么不嘗試一下呢?)
lose v. 損失,喪失,失去
2.It's worth a shot. 值得一試。
shot n. 嘗試,努力
shot at sth/at doing sth
I'm willing to give it a shot.
我愿意試試。
I've never done this before but I'll have a shot at it.
我們從沒做過這個事,但是我愿意嘗試一下。
3.You might as well. 你試試也無妨。
may/might (just) as well do sth 做.....倒也無妨;倒不如
We might as well walk there.
我們倒不如走過去算了。
We may as well start the meeting -- the others will be here soon.
我們不如先開會吧,其他人馬上就到了。